在路由设置，注解里新增四个注解：
| 名称 | 值 |
| nginx.ingress.kubernetes.io/cors-allow-headers | DNT,X-CustomHeader,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Authorization,Client-Channel,Access-Value,Access-Token |
| nginx.ingress.kubernetes.io/cors-allow-origin | * |
| nginx.ingress.kubernetes.io/cors-allow-methods | * |
| nginx.ingress.kubernetes.io/enable-cors | true |